A New Hampshire man who broke into a home in Saco in December 2014 and shot his ailing wife and a family friend was sentenced to life in prison Tuesday afternoon.

Gregory Owens, of Londonderry, N.H., was sentenced in federal court in Portland. He was convicted last February on charges of interstate domestic violence and discharging a firearm during a crime of violence.

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According to a memo filed last week, prosecutors requested that a judge sentence Owens to life in prison.

Prosecutors said Owens led a double life for years, carrying on a long-term affair with a Wisconsin woman while he was married to his wife, Rachel, who suffers from early-onset dementia.

In December 2014, Owens broke into a home in Saco where his wife was staying with friends. Owens shot his wife and a friend. Both survived.

Court documents indicate that Owens led his girlfriend to believe that he had filed for divorce from his wife, even though he remained married.

Owens also claimed to be a member of the U.S. military's special forces, serving in Afghanistan, according to court documents.

A response filed by Owens' lawyer urged the judge to reject the prosecutors' request, saying that the home invasion and shooting were not planned but resulted from a spur-of-the-moment decision by Owens.